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ram not installed

  1. redff

    Macbook Pro after start up: flash, black screen and continues beep, "13 mid 2010

    Hi, I have a Macbook Pro "13 mid 2010. Upgraded my RAM (from 4 to 8), replaced my battery and placed a second hard drive a year ago. My Macbook was as new until a few days ago. It started crashing a few times. giving sometimes black screens, white screens, blue screens, green stripes all over...
    • redff
    • Thread
    • beeping black screen blue screen continues beep green stripes grey screen with code ram ram issue ram not installed white screen
    • Replies: 4
    • Forum: MacBook Pro
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